Aquarium water heater



FIG. 1 is a front elevational view of a first embodiment of the aquarium water heater in which an optional strainer is illustrated as being attached to the bottom portion thereof, in accordance with my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof, the right side elevational view thereof being a mirror image of the left side;

FIG. 4 is a top plan view thereof oriented such that the rear of the aquarium water heater is at the bottom of the sheet;

FIG. 5 is a bottom plan view thereof oriented such that the rear of the aquarium water heater is at the bottom of the sheet;

FIG. 6 is a right side, front isometric view looking somewhat downwardly on a second embodiment of the aquarium water heater in accordance with my new design, wherein the optional strainer is absent from the bottom portion of the aquarium water heater;

FIG. 7 is a top plan view of the second embodiment oriented such that the aquarium water heater is at the bottom of the sheet; and,

FIG. 8 is a bottom plan view of the second embodiment oriented such that the rear of the aquarium water heater is at the bottom of the sheet.

The left side elevational view of the second embodiment of the aquarium water heater is the mirror image of that shown in the isometric view of FIG. 6, and the rear elevational view thereof is as shown in FIG. 2 of the first embodiment, but without the optional strainer that is attached to the bottom of FIG. 2. 

The ornamental design for an aquarium water heater, as shown and described. 